Textron JACOBSEN GP400, Technical/Repair Manual

Page: 262 / 354

7-8 4252490-Rev A
STEERING
7
Figure 7-11
1. Place the steering unit service fixture (11) securely in
a vise.
2. Place steering unit (10) into the service fixture (11),
input shaft down.
3. Secure the steering unit to the service fixture using
four M6 x 16 mm screws (12) and M6 lock washers
(13).
Disassembly
See Figures 7-12 through 7-20.
!
CAUTION
NOTES
• Before attempting repairs or disassembly of any
hydraulic components, thoroughly clean the
components and work area. A clean work area is
essential to satisfactory operation of hydraulic
components.
• Utilize steering unit service fixture for disassembly.
(See “Steering Unit Service Fixture” on page 7-7.)
Figure 7-12
1. Scribe or mark a line (1) across the output shaft (3)
and housing (2) before disassembly.
Figure 7-13
2. Scribe or mark a line (4) across the side of the
steering unit to mark the position and orientation of
valve segments before disassembly.
Wear eye protection when assembling and
disassembling the steering unit. Springs and
other objects may be propelled into the air,
causing eye injury.
TN3918
10
11
13 12
TN3955
1
2
3
TN3921
4